/**
 * 
 */
package com.xb.demo17.observer.javautil;

/**
 * @author kexue
 *
 */
public class TestMain {

	public static void main(String[] args) {
		Subject1 subject1 = new Subject1();

		subject1.addObserver(new JdUtilObserver());
		subject1.addObserver(new JdUtilObserver2());

		subject1.changeStatus(1);
	}
}
